<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app"></div>
  <script src="./renderer.js"></script>
  <script>

    // 1.通过h函数来创建一个vnode
    const vnode = h('div',{ class : 'yanzhi' },[
      h('h2', null, '当前计数:1000')
    ])

    console.log(vnode);
    // vnode -> {children: [vnode1, vnode2]}
    // 2.mount函数,将vnode挂载到div#app上
    mount(vnode, document.querySelector('#app'))
  </script>
</body>
</html>